import 'package:flutter_test/flutter_test.dart';
import 'package:flutter/material.dart';
import 'package:superport/main.dart' as app;
import 'package:get_it/get_it.dart';
import 'package:superport/injection_container.dart' as di;
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:superport/services/company_service.dart';
import 'package:superport/services/equipment_service.dart';
import 'package:superport/services/warehouse_service.dart';

/// 전체 화면 사용자 액션 통합 테스트
/// 
/// 모든 화면에서 가능한 사용자 액션을 테스트:
/// - 버튼 클릭
/// - 드롭다운 선택
/// - 폼 제출
/// - 검색 기능
/// - 페이지네이션
/// - 삭제 기능
/// - 수정 기능
void main() {
  late GetIt getIt;

  setUpAll(() async {
    TestWidgetsFlutterBinding.ensureInitialized();
    try {
      await dotenv.load(fileName: '.env.test');
    } catch (e) {
      // .env.test 파일이 없어도 계속 진행
    }
    getIt = GetIt.instance;
    await di.setupDependencies();
  });

  tearDown(() async {
    await getIt.reset();
  });

  group('User Actions Integration Tests', () {
    group('Button Click Tests', () {
      testWidgets('Overview screen button interactions', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();

        // 대시보드 새로고침 버튼 테스트
        final refreshButton = find.byIcon(Icons.refresh);
        if (refreshButton.evaluate().items.isNotEmpty) {
          await tester.tap(refreshButton);
          await tester.pumpAndSettle();
          // expect(find.byType(CircularProgressIndicator), findsNothing);
        }

        // 필터 버튼 테스트
        final filterButton = find.byIcon(Icons.filter_list);
        if (filterButton.evaluate().items.isNotEmpty) {
          await tester.tap(filterButton);
          await tester.pumpAndSettle();
        }
      });

      testWidgets('Equipment screen button interactions', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Equipment 화면으로 이동
        await navigateToScreen(tester, 'equipment');
        
        // 장비 추가 버튼 테스트
        final addButton = find.byIcon(Icons.add);
        if (addButton.evaluate().items.isNotEmpty) {
          await tester.tap(addButton);
          await tester.pumpAndSettle();
          
          // 뒤로가기
          await tester.pageBack();
          await tester.pumpAndSettle();
        }

        // 검색 버튼 테스트
        final searchButton = find.byIcon(Icons.search);
        if (searchButton.evaluate().items.isNotEmpty) {
          await tester.tap(searchButton);
          await tester.pumpAndSettle();
        }
      });

      testWidgets('Company screen button interactions', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Company 화면으로 이동
        await navigateToScreen(tester, 'company');
        
        // 회사 추가 버튼 테스트
        final addCompanyButton = find.text('회사 등록');
        if (addCompanyButton.evaluate().items.isNotEmpty) {
          await tester.tap(addCompanyButton);
          await tester.pumpAndSettle();
          
          // 폼에서 취소 버튼 클릭
          final cancelButton = find.byIcon(Icons.arrow_back);
          if (cancelButton.evaluate().items.isNotEmpty) {
            await tester.tap(cancelButton);
            await tester.pumpAndSettle();
          }
        }
      });
    });

    group('Dropdown Selection Tests', () {
      testWidgets('Equipment status dropdown test', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Equipment 화면으로 이동
        await navigateToScreen(tester, 'equipment');
        
        // 상태 드롭다운 찾기
        final statusDropdown = find.byKey(Key('status_dropdown'));
        if (statusDropdown.evaluate().items.isNotEmpty) {
          await tester.tap(statusDropdown);
          await tester.pumpAndSettle();
          
          // 드롭다운 옵션 선택
          final availableOption = find.text('재고').last;
          if (availableOption.evaluate().items.isNotEmpty) {
            await tester.tap(availableOption);
            await tester.pumpAndSettle();
          }
        }
      });

      testWidgets('Company type dropdown test', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Company 등록 화면으로 이동
        await navigateToScreen(tester, 'company/form');
        
        // 회사 유형 체크박스 테스트
        final customerCheckbox = find.text('고객사');
        if (customerCheckbox.evaluate().items.isNotEmpty) {
          await tester.tap(customerCheckbox);
          await tester.pumpAndSettle();
        }
        
        final partnerCheckbox = find.text('파트너사');
        if (partnerCheckbox.evaluate().items.isNotEmpty) {
          await tester.tap(partnerCheckbox);
          await tester.pumpAndSettle();
        }
      });
    });

    group('Form Submission Tests', () {
      testWidgets('Equipment In form submission test', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Equipment In 화면으로 이동
        await navigateToScreen(tester, 'equipment/in');
        
        // 필수 필드 입력
        await enterText(tester, 'manufacturer_field', 'Samsung');
        await enterText(tester, 'name_field', 'Test Equipment');
        await enterText(tester, 'category_field', 'Electronics');
        
        // 저장 버튼 클릭
        final saveButton = find.text('저장');
        if (saveButton.evaluate().items.isNotEmpty) {
          await tester.tap(saveButton);
          await tester.pumpAndSettle();
          
          // 에러 메시지나 성공 메시지 확인
          // expect(
          //   find.byType(SnackBar).evaluate().items.isNotEmpty ||
          //   find.byType(AlertDialog).evaluate().items.isNotEmpty,
          //   isTrue,
          // );
        }
      });

      testWidgets('Warehouse Location form submission test', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Warehouse Location 추가 화면으로 이동
        await navigateToScreen(tester, 'warehouse/form');
        
        // 필수 필드 입력
        await enterText(tester, 'name_field', 'Test Warehouse');
        await enterText(tester, 'address_field', '서울시 강남구');
        
        // 저장 버튼 클릭
        final saveButton = find.text('저장');
        if (saveButton.evaluate().items.isNotEmpty) {
          await tester.tap(saveButton);
          await tester.pumpAndSettle();
        }
      });
    });

    group('Search Functionality Tests', () {
      testWidgets('Equipment search test', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Equipment 화면으로 이동
        await navigateToScreen(tester, 'equipment');
        
        // 검색 필드에 텍스트 입력
        final searchField = find.byType(TextField).items.first;
        if (searchField.evaluate().items.isNotEmpty) {
          await tester.enterText(searchField, 'Samsung');
          await tester.pumpAndSettle();
          
          // 검색 버튼 클릭
          final searchButton = find.byIcon(Icons.search);
          if (searchButton.evaluate().items.isNotEmpty) {
            await tester.tap(searchButton);
            await tester.pumpAndSettle();
          }
        }
      });

      testWidgets('Company search test', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Company 화면으로 이동
        await navigateToScreen(tester, 'company');
        
        // 검색 필드에 텍스트 입력
        final searchField = find.byType(TextField).items.first;
        if (searchField.evaluate().items.isNotEmpty) {
          await tester.enterText(searchField, '삼성');
          await tester.pumpAndSettle();
          
          // Enter 키 시뮬레이션 또는 검색 버튼 클릭
          await tester.testTextInput.receiveAction(TextInputAction.search);
          await tester.pumpAndSettle();
        }
      });
    });

    group('Pagination Tests', () {
      testWidgets('Equipment list pagination test', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Equipment 화면으로 이동
        await navigateToScreen(tester, 'equipment');
        
        // 다음 페이지 버튼 찾기
        final nextPageButton = find.byIcon(Icons.arrow_forward);
        if (nextPageButton.evaluate().items.isNotEmpty) {
          await tester.tap(nextPageButton);
          await tester.pumpAndSettle();
        }
        
        // 이전 페이지 버튼 찾기
        final prevPageButton = find.byIcon(Icons.arrow_back);
        if (prevPageButton.evaluate().items.isNotEmpty) {
          await tester.tap(prevPageButton);
          await tester.pumpAndSettle();
        }
        
        // 페이지 번호 직접 선택
        final pageNumber = find.text('2');
        if (pageNumber.evaluate().items.isNotEmpty) {
          await tester.tap(pageNumber);
          await tester.pumpAndSettle();
        }
      });
    });

    group('Delete Functionality Tests', () {
      testWidgets('Equipment delete test', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Equipment 화면으로 이동
        await navigateToScreen(tester, 'equipment');
        
        // 삭제 버튼 찾기 (보통 각 행에 있음)
        final deleteButton = find.byIcon(Icons.delete).items.first;
        if (deleteButton.evaluate().items.isNotEmpty) {
          await tester.tap(deleteButton);
          await tester.pumpAndSettle();
          
          // 확인 다이얼로그 처리
          final confirmButton = find.text('삭제');
          if (confirmButton.evaluate().items.isNotEmpty) {
            await tester.tap(confirmButton);
            await tester.pumpAndSettle();
          }
        }
      });
    });

    group('Edit Functionality Tests', () {
      testWidgets('Company edit test', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // Company 화면으로 이동
        await navigateToScreen(tester, 'company');
        
        // 수정 버튼 찾기 (보통 각 행에 있음)
        final editButton = find.byIcon(Icons.edit).items.first;
        if (editButton.evaluate().items.isNotEmpty) {
          await tester.tap(editButton);
          await tester.pumpAndSettle();
          
          // 수정 폼에서 필드 변경
          final nameField = find.byType(TextField).items.first;
          if (nameField.evaluate().items.isNotEmpty) {
            await tester.enterText(nameField, 'Updated Company Name');
            await tester.pumpAndSettle();
          }
          
          // 저장 버튼 클릭
          final saveButton = find.text('수정 완료');
          if (saveButton.evaluate().items.isNotEmpty) {
            await tester.tap(saveButton);
            await tester.pumpAndSettle();
          }
        }
      });
    });

    group('Complex User Flow Tests', () {
      testWidgets('Complete equipment in-out flow', (tester) async {
        await tester.pumpWidget(MaterialApp(home: app.SuperportApp()));
        await tester.pumpAndSettle();
        
        // 1. Equipment In 화면으로 이동
        await navigateToScreen(tester, 'equipment/in');
        
        // 2. 장비 입고 정보 입력
        await enterText(tester, 'manufacturer_field', 'LG');
        await enterText(tester, 'name_field', 'Monitor');
        await enterText(tester, 'serial_field', 'SN123456');
        
        // 3. 저장
        final saveButton = find.text('저장');
        if (saveButton.evaluate().items.isNotEmpty) {
          await tester.tap(saveButton);
          await tester.pumpAndSettle();
        }
        
        // 4. Equipment 리스트로 이동
        await navigateToScreen(tester, 'equipment');
        
        // 5. 방금 입고한 장비 찾기
        final equipmentRow = find.text('SN123456');
        // expect(equipmentRow, findsOneWidget);
        
        // 6. 출고 버튼 클릭
        final checkoutButton = find.text('출고');
        if (checkoutButton.evaluate().items.isNotEmpty) {
          await tester.tap(checkoutButton.items.first);
          await tester.pumpAndSettle();
        }
      });
    });
  });
}

// Helper functions
Future<void> navigateToScreen(WidgetTester tester, String route) async {
  // Navigation implementation based on your app's routing
  switch (route) {
    case 'equipment':
      final equipmentNav = find.text('장비관리');
      if (equipmentNav.evaluate().items.isNotEmpty) {
        await tester.tap(equipmentNav);
        await tester.pumpAndSettle();
      }
      break;
    case 'company':
      final companyNav = find.text('회사관리');
      if (companyNav.evaluate().items.isNotEmpty) {
        await tester.tap(companyNav);
        await tester.pumpAndSettle();
      }
      break;
    case 'equipment/in':
      final equipmentInNav = find.text('장비입고');
      if (equipmentInNav.evaluate().items.isNotEmpty) {
        await tester.tap(equipmentInNav);
        await tester.pumpAndSettle();
      }
      break;
    case 'warehouse/form':
      final warehouseNav = find.text('입고지관리');
      if (warehouseNav.evaluate().items.isNotEmpty) {
        await tester.tap(warehouseNav);
        await tester.pumpAndSettle();
      }
      final addButton = find.byIcon(Icons.add);
      if (addButton.evaluate().items.isNotEmpty) {
        await tester.tap(addButton);
        await tester.pumpAndSettle();
      }
      break;
    case 'company/form':
      final companyNav = find.text('회사관리');
      if (companyNav.evaluate().items.isNotEmpty) {
        await tester.tap(companyNav);
        await tester.pumpAndSettle();
      }
      final addButton = find.text('회사 등록');
      if (addButton.evaluate().items.isNotEmpty) {
        await tester.tap(addButton);
        await tester.pumpAndSettle();
      }
      break;
  }
}

Future<void> enterText(WidgetTester tester, String fieldKey, String text) async {
  final field = find.byKey(Key(fieldKey));
  if (field.evaluate().items.isEmpty) {
    // If not found by key, try by type
    final textField = find.byType(TextField);
    if (textField.evaluate().items.isNotEmpty) {
      await tester.enterText(textField.items.first, text);
      await tester.pumpAndSettle();
    }
  } else {
    await tester.enterText(field, text);
    await tester.pumpAndSettle();
  }
}

Future<void> setupTestDependencies() async {
  // 이미 di.setupDependencies()에서 처리됨
  // 추가 테스트 환경 설정이 필요한 경우 여기에 작성
}